Home / 120,997.58-181,338.68-61,783.34

Finding the Fourth Proportional to 120,997.58, 181,338.68 and 61,783.34

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Solution

The fourth proportional to 120,997.58, 181,338.68 and 61,783.34 is: 92,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,997.58 : 181,338.68 = 61,783.34 : x
  2. Step 2: Convert to fraction form
    120,997.58/181,338.68 = 61,783.34/x
  3. Step 3: Cross multiply
    120,997.58x = 181,338.68 × 61,783.34
  4. Step 4: Simplify right side
    120,997.58x = 11,203,709,321.59
  5. Step 5: Solve for x
    x = 11,203,709,321.59/120,997.58
  6. Step 6: Final answer
    x = 92,594.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.